HydroBASINS lev08 watershed · #4081130170
Bassin de Nagari River
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Chittoor
Sub-basin area
282,6km²
Upstream area
282,7km²
Discharge
1,46m³/s
Mean elev.
320m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- Chittoor281.5 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
37 distinct species · 62 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Nagari River : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
27,4°C
Annual rain
864mm
Moisture idx (CMI)
-0,50
Runoff
172mm/an
PET
1 738mm
AET
729mm
Mean slope
4,7°
Water table
423cm
Forest
5%
Crops
47%
Urban
9%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)